/* 图片 */
.pic {
  width: 100%;
}
.pic .pic-center {
  width: 1920px;
  margin: 0px auto;
}
/* 科目 */
.exam {
  width: 100%;
}
.exam-center {
  width: 1200px;
  margin: 20px auto 50px;
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.3);
}
.subject {
  padding: 15px 20px 0px;
  border-bottom: 1px solid #f2f2f2;
}
.subject span {
  float: left;
  font-size: 18px;
  display: block;
  margin-top: 7px;
}
.subject a {
  font-size: 14px;
  display: inline-block;
  padding: 8px 15px;
  margin: 0 0 15px 10px;
}
.subject a:hover {
  background-color: #33bae6;
}
.famous-center {
  width: 1200px;
  margin: 90px auto 20px;
  background-color: #f8f9fa;
  padding: 10px 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.famous-center .col {
  width: 400px;
  overflow: hidden;
  padding: 15px;
}
.col .card {
  width: 100%;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}
.col .card:hover {
  margin-top: -4px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
}
.col img {
  width: 100%;
  height: auto;
  border: 0;
}
.col .card-body {
  padding: 0 15px 15px 15px;
}
.col .card-body h5 {
  font-size: 24px;
  margin: 7px 0;
}
.col .card-body p {
  color: #6c757d;
  margin: 0 15px 15px 0;
}
.col .card-body p span {
  color: #e74c3c;
}
